Characteristics
1.Excellent thermal stability
2.Excellent chemistry quality
3.Resistance to burning
4.Low thermal conductivity
5.Low heat storage
6.Good obstructing voice and mechanism strength
7.Low shrinkage
8.Good springiness for fibersConvenient producing and installin
Technical Data:
Type | Ordinary | Standard | High Purity | High Aluminium | Zirconia | |
Classification temperature (°C) | 1100 | 1260 | 1260 | 1360 | 1430 | |
Working Temperature (°C) | < 1000 | 1050 | 1100 | 1200 | 1350 | |
Color | white | spotlessly white | spotlessly white | spotlessly white | spotlessly white | |
Density (kg/m3) | 96 128 | 96 128 | 96 128 | 128 160 | 128 160 | |
Shrinkage on heating (%) (24 hours,density as 128/m3) | -4 (1000°C) | -3 (1000°C) | -3 (1100°C) | -3 (1250°C) | -3 (1350°C) | |
Thermal conductivity by different temperature (w/m.k) (density as 128kg/m3) | 0.09(400°C) 0.16(800°C) | 0.09(400°C) 0.16(800°C) | 0.09(400°C) 0.16(800°C) 0.20(1000°C) | 0.12(600°C) 0.20(1000°C) | 0.16(800°C) 0.20(1000°C) | |
Tensile strength (MPa) (density as 128kg/m3) | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | |
Chemical composition (%) | AL2O3 | 44 | 46 | 47-49 | 52-55 | 39-40 |
AL2O3+SIO2 | 96 | 97 | 99 | 99 | - | |
AL2O3+SIO2+ZrO2 | - | - | - | - | 99 | |
ZrO2 | - | - | - | - | 15-17 | |
Fe2O3 | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 | |
Na2O+K2O | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 | |
Size (mm) | Spec7200×610×10-50 Other sizes can be available. | |||||
